Preheat oven to 350°F.,______,Remove pepper skins and slice into thin strips. Remove skin from tomatoes and chop roughly, reserving all the juices.,Meanwhile, heat half the oil in a pan on medium. Saute onions for 4-5 minutes, stirring occasionally, until tender and golden. Reduce heat to low and add peppers, tomatoes and capers. Season to taste and simmer for 10 minutes, until sauce has thickened. Stir in dill.,While peperonata is cooking, heat remaining oil in a pan on high. Cook fish for 3-5 minutes each side. until golden and cooked through. Serve fish on orzo topped with peperonata.